Electronic Circuit Breakers

Electronic circuit breakers are automatically operated electrical switches that are designed to protect an electrical circuit from damage. They cut off a circuit whenever the current jumps above a safe level.

How electronic circuit breakers work

Electronic circuit breakers prevent an overload or short circuit. Their basic function is to keep an electrical system running safely by interrupting the flow of current when a fault is detected. They do this by a combination of active electronic current limitation in the case of a short circuit and an overload deactivation.

Why electronic circuit breakers are important

In homes, there's usually a main electronic circuit breaker that protects the whole system, plus smaller circuit breakers built into many domestic appliances such as washing machines, tumble dryers and air-conditioning systems.

Without circuit breakers (or the alternative, fuses), household electricity would be impractical because of the potential for fires and other issues resulting from simple wiring problems and equipment failures. Compared to fuses, which only work once and then require replacment, circuit breakers can be used over and over again.


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Description Price Range Series Number of Channels Current Rating Breaking Capacity Breaking Capacity at Maximum Voltage Rating Rated DC Voltage Mounting Style Length Width Depth
RS Stock No. 723-4847
Mfr. Part No.ESX10-TB-101-DC24V-4A
BrandETA
TWD3,650.00
Each
units
- ESX10-T - 4A - - - - - - -
RS Stock No. 179-3001
Mfr. Part No.2122910000
TWD698.00
1 Box of 10
Box(es)
- maxGUARD - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 890-3796
Mfr. Part No.2905743
TWD6,160.00
Each
units
- - - - - - - DIN Rail 130mm 41mm 121mm
RS Stock No. 179-2989
Mfr. Part No.2081880000
TWD715.00
Each
units
- maxGUARD - 120mA - - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 768-1079
Mfr. Part No.2800905
TWD1,735.00
Each
units
TRABTECH CB E1 24DC/6A - 6A - - - - - 12.3mm -
RS Stock No. 201-6203
Mfr. Part No.2909908
TWD1,062.00
Each
units
- - - - - - - - - - -
RS Stock No. 201-6326
Mfr. Part No.2909902
TWD1,062.00
Each
units
PTCB E1 PTCB E1 1 24 A 48 A - 24V DIN Rail - - -
RS Stock No. 179-2990
Mfr. Part No.2081900000
TWD715.00
Each
units
- maxGUARD - 225mA - - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 729-2883
Mfr. Part No.ESX10-TB-102-DC24V-3A
BrandETA
TWD3,588.00
Each
units
- ESX10-T - 3A - - - - - - -
RS Stock No. 179-3003
Mfr. Part No.2122930000
TWD698.00
1 Box of 10
Box(es)
- maxGUARD - - - - - DIN Rail Mount 6.1mm 96.5mm 125mm
RS Stock No. 177-6028
Mfr. Part No.787-2861/400-000
BrandWago
TWD2,013.00
Each
units
EPSITRON 787-2861 1 4A - 15 A 30V DIN Rail Mount 94mm 6mm 97.8mm
RS Stock No. 179-2991
Mfr. Part No.2081890000
TWD825.00
Each
units
- maxGUARD - 30mA - - 24V DIN Rail Mount 12.2mm 96.5mm 125mm
RS Stock No. 723-4843
Mfr. Part No.ESX10-TB-101-DC24V-2A
BrandETA
TWD3,559.00
Each
units
- ESX10-T - 2A - - - - - - -
RS Stock No. 201-5189
Mfr. Part No.1065729
TWD3,785.00
Each
units
- - - - - - - - - - -
RS Stock No. 201-6507
Mfr. Part No.2800909
TWD1,744.00
Each
units
- - - - - - - - - - -
RS Stock No. 729-2887
Mfr. Part No.ESX10-TB-102-DC24V-6A
BrandETA
TWD3,539.00
Each
units
- ESX10-T - 6A - - - - - - -
RS Stock No. 914-4594
Mfr. Part No.2CDE601101R2001
BrandABB
TWD5,706.00
Each
units
- - - - - - - - - - -
RS Stock No. 890-2901
Mfr. Part No.PC-0724-800-0
BrandBlock
TWD5,020.00
Each
units
- - - - - - - - - - -
RS Stock No. 177-6029
Mfr. Part No.787-2861/600-000
BrandWago
TWD2,013.00
Each
units
EPSITRON 787-2861 1 6A - 15 A 30V DIN Rail Mount 94mm 6mm 97.8mm
RS Stock No. 179-3005
Mfr. Part No.2123000000
TWD3,352.00
1 Box of 40
Box(es)
- maxGUARD - - - - - - 6.1mm 96.5mm 125mm